Visualize Latest Observations from the Ambient Weather Stations

Imports

import glob
import xarray as xr
from bokeh.models.formatters import DatetimeTickFormatter
import hvplot.xarray
import holoviews as hv
from distributed import Client
import warnings

warnings.filterwarnings("ignore")
hv.extension('bokeh')

Start up a Dask Cluster

client = Client()
client

Client

Client-20805ea2-10b3-11f0-8ae3-000d3ad3ab77

Connection method: Cluster object	Cluster type: distributed.LocalCluster
Dashboard: http://127.0.0.1:8787/status

Cluster Info

LocalCluster

6b31db0d

Dashboard: http://127.0.0.1:8787/status	Workers: 4
Total threads: 4	Total memory: 15.62 GiB
Status: running	Using processes: True

Scheduler Info

Scheduler

Scheduler-fb4fa6ce-5485-4d13-b765-bb7c727b6e2a

Comm: tcp://127.0.0.1:34385	Workers: 4
Dashboard: http://127.0.0.1:8787/status	Total threads: 4
Started: Just now	Total memory: 15.62 GiB

Workers

Worker: 0

Comm: tcp://127.0.0.1:41507	Total threads: 1
Dashboard: http://127.0.0.1:41081/status	Memory: 3.90 GiB
Nanny: tcp://127.0.0.1:43825
Local directory: /tmp/dask-scratch-space/worker-1e8_ba_j

Worker: 1

Comm: tcp://127.0.0.1:42399	Total threads: 1
Dashboard: http://127.0.0.1:40479/status	Memory: 3.90 GiB
Nanny: tcp://127.0.0.1:44819
Local directory: /tmp/dask-scratch-space/worker-nmo5ec3q

Worker: 2

Comm: tcp://127.0.0.1:40223	Total threads: 1
Dashboard: http://127.0.0.1:41901/status	Memory: 3.90 GiB
Nanny: tcp://127.0.0.1:45923
Local directory: /tmp/dask-scratch-space/worker-wi6lvkb_

Worker: 3

Comm: tcp://127.0.0.1:46639	Total threads: 1
Dashboard: http://127.0.0.1:38227/status	Memory: 3.90 GiB
Nanny: tcp://127.0.0.1:34159
Local directory: /tmp/dask-scratch-space/worker-5fzorp8r

Read the Sorted Data, Using the Last File

files = sorted(glob.glob('../../data/surface-meteorology/*/*/*/*.nc'))

ds = xr.open_mfdataset(files[-60:])

---------------------------------------------------------------------------
OSError                                   Traceback (most recent call last)
Cell In[3], line 3
      1 files = sorted(glob.glob('../../data/surface-meteorology/*/*/*/*.nc'))
----> 3 ds = xr.open_mfdataset(files[-60:])

File ~/miniconda3/envs/instrument-cookbooks-dev/lib/python3.10/site-packages/xarray/backends/api.py:1597, in open_mfdataset(paths, chunks, concat_dim, compat, preprocess, engine, data_vars, coords, combine, parallel, join, attrs_file, combine_attrs, **kwargs)
   1594 paths = _find_absolute_paths(paths, engine=engine, **kwargs)
   1596 if not paths:
-> 1597     raise OSError("no files to open")
   1599 paths1d: list[str | ReadBuffer]
   1600 if combine == "nested":

OSError: no files to open

Plot the Data

formatter = DatetimeTickFormatter(hours="%d %b %Y \n %H:%M UTC")

variables = ['outdoor_temperature', 'outdoor_dewpoint', 'hourlyrainin', 'solarradiation']

panels = []
for variable in variables:
    panels.append(ds[variable].hvplot.line(x='time', by='station', xformatter=formatter))
hv.Layout(panels).cols(1)